Home / 13,388.16-20,083.20-4,027.44

Finding the Fourth Proportional to 13,388.16, 20,083.20 and 4,027.44

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Solution

The fourth proportional to 13,388.16, 20,083.20 and 4,027.44 is: 6,041.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,388.16 : 20,083.20 = 4,027.44 : x
  2. Step 2: Convert to fraction form
    13,388.16/20,083.20 = 4,027.44/x
  3. Step 3: Cross multiply
    13,388.16x = 20,083.20 × 4,027.44
  4. Step 4: Simplify right side
    13,388.16x = 80,883,883.01
  5. Step 5: Solve for x
    x = 80,883,883.01/13,388.16
  6. Step 6: Final answer
    x = 6,041.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.